function loadFooter(){
	$.getJSON({
		url:"/footer.do",
		callback:addFooterData
	});
}
function addFooterData(json){
	var dom=$("#help");
	var data=json.datas;
	var html="";
	$.ch(data,function(index,h){
		html=html+"<dl><dt><span></span><h5>"+h.title+"</h5></dt>";
		var children=h.children;
		$.each(children,function(index2,c){
			html=html+"<dd><a href='/help.do?id="+c.id+"'>"+c.title+"</a></dd>";
		});
		html=html+" </dl>";	
	});
}
